Spiral retaining rings can either be single or multi-turn, depending on the application requirements.

Multi-turn, spiral-wound retaining rings consist of two or more turns of in-house rolled flat wire material with rounded edges. The material is coiled on edge to provide a gapless ring with 360º of retention. Spiral rings offer space savings in a radial direction since there are no assembly lugs as with tapered retaining rings. (Note: selection of a retaining ring—tapered, constant section or spiral-- depends upon the parameters of an application)

This design combines a standard retaining ring with a wave spring by having an axial wave form in a retaining ring design. It is ideal for compensating axial play because of tolerances, thermal expansion etc. Other features include:

Eliminates shims

Exact load adjustment based on wire dimension, no. of turns & waves

No assembly/disassembly lugs offers space saving in a radial direction

Edges contain a radius, no stamping burrs that could damage the housing/shaft

No special tooling for exotic materials

No special tooling for installing and removal necessary

Special ends available for specific applications

Heavy duty sections available for higher rotational capacities

Assembly/Disassembly similar to 2-turn retaining rings

Spiral Ring Applications:

Multi-Turn Spiral Ring in use on circular saw locking device.

KL Spiral Ring on a transmission cooling valve.

CM Spiral Ring on an axle.

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